A ray of light is travelling from glass to air. (Refractive index of glass ). The angle of incidence is
. The deviation of the ray is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
:
or
Critical angle for glass
Hence a ray of light incident at
in glass medium undergoes total internal reflection. denotes the deviation of the ray.
or
.
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